/*
 * Copyright (c) 2020, 2022, Oracle and/or its affiliates.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided
 * with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written
 * permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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package com.oracle.truffle.llvm.tests.interop.values;

import com.oracle.truffle.api.interop.InteropLibrary;
import com.oracle.truffle.api.interop.InvalidArrayIndexException;
import com.oracle.truffle.api.interop.TruffleObject;
import com.oracle.truffle.api.library.ExportLibrary;
import com.oracle.truffle.api.library.ExportMessage;
import com.oracle.truffle.llvm.spi.NativeTypeLibrary;

@ExportLibrary(value = NativeTypeLibrary.class, useForAOT = false)
@ExportLibrary(InteropLibrary.class)
@SuppressWarnings("static-method")
public final class TypedArrayObject implements TruffleObject {

    final Object[] array;
    final Object type;

    public TypedArrayObject(Object type, Object... array) {
        this.array = array;
        this.type = type;
    }

    @ExportMessage
    boolean hasNativeType() {
        return true;
    }

    @ExportMessage
    Object getNativeType() {
        return type;
    }

    @ExportMessage
    boolean hasArrayElements() {
        return true;
    }

    @ExportMessage(name = "isArrayElementReadable")
    @ExportMessage(name = "isArrayElementModifiable")
    @ExportMessage(name = "isArrayElementRemovable")
    boolean inBounds(long idx) {
        return 0 <= idx && idx < array.length;
    }

    @ExportMessage
    boolean isArrayElementInsertable(@SuppressWarnings("unused") long idx) {
        return false;
    }

    @ExportMessage(name = "readArrayElement")
    public Object get(long i) throws InvalidArrayIndexException {
        if (!inBounds(i)) {
            throw InvalidArrayIndexException.create(i);
        }
        return array[(int) i];
    }

    @ExportMessage
    void writeArrayElement(long idx, Object value) throws InvalidArrayIndexException {
        if (!inBounds(idx)) {
            throw InvalidArrayIndexException.create(idx);
        }
        array[(int) idx] = value;
    }

    @ExportMessage
    void removeArrayElement(long idx) throws InvalidArrayIndexException {
        if (!inBounds(idx)) {
            throw InvalidArrayIndexException.create(idx);
        }
        array[(int) idx] = "<removed>";
    }

    @ExportMessage
    long getArraySize() {
        return array.length;
    }
}
